丨 Product Introduction
1. Advanced technology positioning: Based on UBX-M9140, stable and accurate positioning in extreme environments.
2. Four mode fusion positioning: compatible with multiple global positioning systems, seamless global positioning.
3.25Hz high-speed output: fast data output, suitable for dynamic applications.
4. Ceramic antenna characteristics: 25*25* 4 ceramic dual polarization, strong anti-interference and good signal.
丨 Specification parameters
|
Specification parameters
|
|
Chip
characteristics
|
1
|
chip
|
UBX-M9140
|
|
2
|
Signal channel
|
92-channel
|
|
3
|
working frequency
|
GPS: L1 C/A,
QZSS: L1 C/A/S,
GLONASS: L10F,
BeiDou: B1I,
Galileo: E1B/C ,
SBAS L1 C/A: WAAS, EGNOS, MSAS, GAGAN
|
|
4
|
Time pulse frequency
|
0.25Hz-25Hz (default 1Hz)
|
|
5
|
Time pulse signal accuracy
|
RMS:30ns
|
|
99% :60ns
|
|
6
|
Horizontal
position accuracy
|
1.5m CEP (with SBAS)
|
|
2.5m CEP (without SBAS)
|
|
7
|
Start Time
|
Cold start: 24 seconds
|
|
Warm start: 2s
|
|
Hot start: 2s
|
|
8
|
sensitivity
|
Tracking: -167dBm
|
|
Re capture: -160dBm
|
|
Cold start: -148dBm
|
|
Hot start: -159dBm
|
|
9
|
Speed accuracy
|
0.05m/s
|
|
10
|
Baud rate
|
38400bps (default) [Optional: 4800-921600]
|
|
11
|
Output Protocol
|
NMEA-0183、RTCM 3.3、UBX
|
|
12
|
Output level
|
TTL
|
|
13
|
Extreme working state
|
Gravity acceleration limit: 4g
|
|
Height limit: 80,000m
|
|
Speed limit: 500m/s
|
|
Antenna
characteristics
|
1
|
Antenna specifications
|
25*25*4
|
|
2
|
Maximum gain of antenna
|
2.5dBi
|
|
|
3
|
Polarization mode
|
RHCP
|
|
4
|
Noise coefficient
|
≤0.8dB
|
|
5
|
LNA gain
|
L1:20±2dB
|
|
Working
characteristics
|
1
|
working voltage
|
3V-5.5V DC(Typical value: 5.0v)
|
|
2
|
power waste
|
<100mW @5V
|
|
3
|
size
|
25*25*7.5mm
|
|
4
|
weight
|
13g
|
|
5
|
Connector
|
SH1.0mm 6pin
|
|
6
|
working temperature
|
-35℃-75℃
|
|
7
|
Storage temperature
|
-40℃-85℃
|
|
Magnetometer
|
1
|
magnetometer
|
QMC5883L
|
丨 product mix


Table 1 Interface Definition
|
NO.
|
PIN name
|
Describe
|
|
1
|
GND
|
Grounding
|
|
2
|
VCC
|
The main power supply of the system has a supply voltage of 3.3V-5V
|
|
3
|
RXD
|
TTL interface data input
|
|
4
|
TXD
|
TTL interface data output
|
|
5
|
SCL
|
Serial clock - I2C master/slave clock
|
|
6
|
SDA
|
Serial Data - I2C Master/Slave Data
|
Packaging and Delivery:
Product Advantages
Robust Design and Streamlined Integration
The module’s architecture centers on the powerful ubx m9140 gnss module, offering multi-system satellite support and a compact footprint measuring 25×25×7.5 mm. Its dual-ceramic antenna structure minimizes environmental interference, assuring signal integrity during intense UAV maneuvers. Designed specifically for UAV use, it incorporates a built-in magnetometer to provide heading alignment without additional sensors, simplifying system complexity. This flight controller gps module supports straightforward plug-and-play integration with industry-standard platforms such as Pixhawk and APM, enabling fast deployment and modular upgrades without redesigning flight hardware.
Reliable Performance Enhances UAV Operation Confidence
Delivering precise positioning at updates up to 25Hz, the 25hz gnss gps module balances speed and accuracy, ideal for dynamic flight conditions. Its high sensitivity and wide voltage range allow consistent responsiveness even in challenging environments. Lightweight and energy-efficient, it reduces payload concerns on UAVs while maintaining robust operation from −35°C to 75°C. Users benefit from versatile output protocols for compatibility with various telemetry systems, ensuring seamless data exchange. This gps module for uav provides dependable real-time navigation data, empowering operators to focus on mission success and improve safety through precise geo-location.
Use Scenarios
Application in Autonomous UAV Flight Control Systems
In drone manufacturing and testing environments, precise navigation is critical. The flight controller gps module is integrated into UAV autopilot systems to provide stable multi-constellation positioning essential for waypoint tracking and geo-fencing. Its rapid 25 Hz update rate supports accurate velocity and position monitoring during fast maneuvers. This module’s built-in magnetometer enhances heading accuracy, facilitating smoother control responses. Compatible with Pixhawk and APM flight controllers, it seamlessly fits the standard UAV control architecture, ensuring reliable data input that improves flight safety and autonomous behavior under varying operational conditions.
Role in Outdoor UAV Surveying and Environmental Monitoring
For professionals conducting aerial surveys or environmental data collection, the gps module for uav offers dependable location data to support real-time telemetry and precise mapping. Its robust multi-system GNSS reception guarantees positioning reliability even in remote or obstructed areas. The module’s compact design suits lightweight UAV platforms optimized for extended flight durations. Its versatile output formats enable smooth integration with data logging and GIS software. Whether mapping terrain or monitoring ecological variables, this module ensures geospatial accuracy essential for scientific and commercial UAV operations.
FAQ
What makes the UBX-M9140 GNSS module suitable for UAV use?
Our UBX-M9140 GNSS module supports multiple satellite systems like GPS, GLONASS, Galileo, and BeiDou, enabling stable positioning even in complex environments. Its high-speed 25Hz data output and four-mode fusion positioning make it ideal for fast-moving UAV platforms requiring accurate navigation.
Can I integrate the GPS module for UAVs with popular flight controllers?
Yes, we designed the UBX-M9140/IST8310 module for plug-and-play compatibility with common flight controllers such as Pixhawk and APM. This simplifies installation and ensures seamless communication with your UAV’s control system for reliable navigation.
Do you offer customization or OEM services for your GNSS modules?
We provide OEM and ODM customization, technical consulting, and firmware support to fit your project needs. Whether you require tailored firmware or specific output protocols, our team assists you in adapting our flight controller GPS module to your application efficiently.
How do you ensure quality and reliability in your GNSS GPS modules?
We follow strict quality control procedures, including SMT production, functional testing, and 100% final inspection. Certified to ISO9001:2015 and compliant with CE and RoHS, our products meet rigorous standards to deliver consistent performance you can trust in demanding UAV operations.